.section_photo {
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    background-image:url(/static/lib/img/fullscreen.jpg); 
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    // height: 400px;
    overflow: hidden;
    padding: 0;
    position: relative;
    text-align: center;
    -webkit-transform: translate3d(0,0,0);
    -ms-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
    width: 100%;
}